FSA 45
- $129.99DSRP

Share

An affordable string trimmer including a built-in battery and adjustable shaft length.

Note: Product availability may vary by location.
With its integrated battery, the FSA 45 string trimmer is a great choice for occasional use on small properties. Part of the AI Series, the FSA 45 comes standard with the STIHL PolyCut™ 2-2 mowing head, making it ideal to cut in hard-to-reach places and large areas of tall grass. This STIHL AI Series trimmer is lightweight at only 5.1 lbs. (inc...Read More

Loop Handle
A thumb screw allows the ergonomic loop handle to be easily adjusted to the desired position without tools.

Important Information

WARNING! Improper use of any trimmer/brushcutter can cause serious or fatal injury. Read, understand and follow all safety instructions in your instruction manual. To reduce the risk of injury from blade contact, circular saw blades may be used on FS brushcutters that have a limitstop, a bicycle handle and double shoulder harness and not on FS brushcutters with a "J" handle or loop handle. Other rigid blades may be used on FS brushcutters having a bicycle handle, a "J" handle or a loop handle equipped with a barrier bar. To reduce the risk of eye injury always wear proper eye protection. Always use the appropriate deflector for the type of cutting attachment, as explained in your instruction manual.

Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.

WARNING! Improper use of any power tool may cause serious
or fatal injury. Read, understand and follow carefully the operating
and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.

Are You Ready for a STIHL?

Reserve with STIHL Express for In-Store Pick Up

With STIHL Express, you can reserve the STIHL product you need right from your home or office and pick it up at your local STIHL Dealer.

Compare STIHL products online 24 hours a day, 7 days a week.

Pick up products assembled and ready to go

Get the ease of reserving online while still having access to advice from your local STIHL Dealer.

Distributor Suggested Retail Price

All pricing on this site is Distributor Suggested Retail Price. This site strives to maintain accurate and current suggested retail pricing. However, dealers' actual prices may vary or change. Please confirm pricing with your dealer

Buy Now for Home Delivery

STIHL OUTFITTERS™ goods are sold and shipped by authorized STIHL OUTFITTERS™ Licensees. Ordering online is easy and items can be delivered directly to your address.

Show off your STIHL pride today!

FSA 45 Description

Note: Product availability may vary by location.

With its integrated battery, the FSA 45 string trimmer is a great choice for occasional use on small properties. Part of the AI Series, the FSA 45 comes standard with the STIHL PolyCut™ 2-2 mowing head, making it ideal to cut in hard-to-reach places and large areas of tall grass. This STIHL AI Series trimmer is lightweight at only 5.1 lbs. (including battery) and can trim the length of three football fields when the battery is fully charged – that’s up to 1,080 feet. It features an adjustable shaft length to fit different user heights and enhance comfort. Plus, its adjustable trimmer head can adapt to various trimming tasks. Stop by our store today and see this affordable trimmer in person, as well as the entire line of STIHL Lightning Battery System® products.

Usage claim tested and verified by an independent third-party test laboratory. Run time may vary based on battery type, charge level and capacity, model, operating style and conditions.

FSA 45

FSA 45

Please provide your email to receive this special offer.

*Required fields.<br />
Please Note: STIHL does not rent, sell or share personal information about you with other people or nonaffiliated companies.

Thank You!

Thank you! You will now receive this special offer within your email, so that it may be printed and redeemed in-store.

FSA 45 is rated 2.8 out of 5 by 35.

Rated 3 out of 5 by Password123 from Not in love with itI wish it had string instead of the plastic blades. The blades wear down really fast, especially if you are trimming next to a hard surface-which is most of the time. When the blades come into contact with the ground it either stops or wants to walk on you- cutting some random stripe in the yard. It's very difficult to edge with and using it like that will mow through the blades. However, the blades are super easy to change and I like the simplicity of being battery powered. Starts every time and it's pretty light. The rotating head and shaft is a nice feature that gets used.

Date published: 2017-10-18

Rated 1 out of 5 by HenryB from This product has advertised great features but does not deliver!I will be returning this trimmer tomorrow. I have a small yard and had to restring it 8 times when half done, so gave up on that. Bought larger diameter string but it snapped off after two feet. The centripital force causes the slot to act as a razor and slices the plastic string off. Then tried the plastic blades provided. Machine would shut off after 2-3- feet. Not a good investment and a surprisingly poor STIHL prodeuct. Extremely disappointed!

Date published: 2017-09-28

Rated 4 out of 5 by thehappycamper from The product works very well, but the battery could use a little more longevityI have a simple yard with two walkways, and about 6 bushes to trim around. The big thing is driveway edging. My driveway is about 125 feet long (250 total), and I can't do trimming and edging on one battery charge. This might be unfair because the "average" driveway isn't than long, and for those, the battery would probably make it just fine. And, it gets through all but the last 50 feet. The product is light weight, and does a good job. Overall, I'm very happy; I just need to know that I'll have to charge it again if I do both wacking and edging on the same day. No big deal.

Date published: 2017-09-14

Rated 1 out of 5 by CarolL from Long charging time for little useI could not be more dissatisfied with the Stihl FSA 45 trimmer. It takes 3 1/2 hours for a full charge which only lasts 20 minutes. If it is not allowed to cool down before beginning the charge, red indicator lights come on. I was under the impression that Stihl products were of good quality, but sadly this is not the case with this trimmer.

Date published: 2017-08-31

Rated 5 out of 5 by Wally13 from I found my trimmerRecently I suffered a stroke. The person I once was is no more. I no longer have the strength to carry a large trimmer for a long period of time. I even bought an electric trimmer to see if I could handle it. I would have to pull out 150' of power cords and after trimming. I would be exhausted. One day, I noticed my neighbor with a battery powered trimmer and he just zipped around trimming his grass. Luckily Stihl was selling the FSA 45 at what I considered a price. I bought it and tried it out. Now I just have light grass to trim around bushes and sidewalks, but it has answered my prayers. It is light, and can use poly blades or trimmer string, but I have been using the poly blades and they have done the job. It's easy to use, again light to carry and I don't have to lug all that cord out each time I trim. I have used it throughout the summer and can't find fault with it. For light trimming this is the real thing.

Date published: 2017-08-25

Rated 5 out of 5 by Neatfreak from My wife wanted one for her. Birthday to help me keep up with the trimming around our place. She loves it, the light weight and quiet running.We have had the trimmer for three weeks but cannot find anyone that carries the replacement blades. The dealer where we bought it keeps promising they should be in next week, but not yet. Also it looks like the blades are quite pricey. So be sure to consider the aftermarket cost and hassle when buying.

Date published: 2017-08-24

Rated 1 out of 5 by Quietliving from Can't get blades. Wears out blades rapidlyCan't get blades. Wears out blades rapidly. Very disappointed.

Date published: 2017-08-22

Rated 4 out of 5 by Stihl007 from My 6 year old LOVES it!!The FSA 45 was a replacement for my 6 year old son's 20v Black & Decker weed trimmer. He absolutely loves the features of his new Stihl trimmer, a Stihl man through and through! After he proved to me how to safely operate a battery trimmer along with understanding basic operations and maintenance of his previous trimmer would I consider upgrading his tool to something a little nicer. As his parent I really appreciate Stihl engineering a "key" that can be taken out of the trimmer to prevent my son from accidentally endangering himself or someone else when I'm not around to supervise him. The run time is decent on the 18v as long you don't go crazy trying to cut over-growth or something. The trimmer is feature rich with extra plastic blades attached to the bottom side of the trimmer, ability to convert to edger, adjustable shaft, and adjustable head makes for a very ergonomic trimmer. I myself have the 36v straight shaft trimmer, 36v blower, and 36v hedge trimmer. Great tools Stihl!!

STIHL News

Follow STIHL USA on

STIHL IS THE NUMBER ONE SELLING BRAND OF GASOLINE-POWERED HANDHELD OUTDOOR POWER EQUIPMENT IN AMERICA.*

*"Number one selling brand" is based on syndicated Irwin Broh Research as well as independent consumer research of 2009-2017 U.S. sales and market share data for the gasoline-powered handheld outdoor power equipment category combined sales to consumers and commercial landscapers.

*A majority of STIHL gasoline-powered units sold in the United States are built in the United States from domestic and foreign parts and components.